Chapter 9 & 10 Muscles

Front 1

Connective tissue sheath covering the whole muscle

Back 1

epimysium

Front 2

group of muscle fibers surrounded by the perimysium

Back 2

fascicle

Front 3

connective tissue covering on a fascicle

Back 3

permysium

Front 4

Another term for muscle cells

Back 4

Myofribril

Front 5

connective tissue cover on a muscle fiber

Back 5

endomysium

Front 6

a muscle cell membrane

Back 6

sarcolemma

Front 7

endoplasmic reticulum of a muscle cell; it also stores calcium (looks like smooth ER)

Back 7

sarcoplasmic reticulum

Front 8

Dark stripes are the ____ band

Back 8

A

Front 9

Light stripes are the ____ band

Back 9

I

Front 10

When muscle appears to be striped they are said to be

Back 10

striated

Front 11

____ bands are found in the middle of the I band

Back 11

z band

Front 12

____ band contains both think and thin myofilaments

Back 12

A

Front 13

___ band contains only thin filaments

Back 13

I

Front 14

___ zone only contains thick filaments

Back 14

H zone

Front 15

_________ is an example of a neurotransmitter

Back 15

acetylcholine

Front 16

_______ releases acetylcholine to active a muscle

Back 16

motor neuron

Front 17

which type of muscle has the best ability to use mitosis to replace damaged tissue?

Back 17

smooth muscle

Front 18

Muscle found in hallow organs

for example the digestive tract and urogenital tract

Back 18

smooth muscle

Front 19

The alternating contractions and relaxations of two layers of muscle in hollow organs is called?

(This moves substances through the organs

Back 19

peristalsis

Front 20

Thin filaments contain what contractile protein(s)?

Back 20

actin, tropomysin,troponin

Front 21

The neurotransmitter released that activates skeletal muscle

Back 21

Acetylcholine

Front 22

Depolarization of a muscle cell membrane is caused by movement of

Back 22

Na+(sodium) into muscle cell

Front 23

Repolarization of a muscle cell membrane is caused by movement of

Back 23

K+(Potassium) out of muscle cell

Front 24

What substance is stored and released from the Sarcoplasmic reticulum during a muscle contraction?

Back 24

Ca+ (Calcium)

Front 25

What disappears or decreases greatly when a muscle contracts?

Back 25

H zones

Front 26

What binds to sites on actin molecules when a muscle contracts?

Back 26

myosin

Front 27

Function of T-tubles.

(T=transverse)

Back 27

carries electrical signals from cell surface to the sarcoplasmic reticulum

Front 28

What type of muscle is involuntary and striated?

Back 28

cardiac

Front 29

What type of muscle is voluntary and striated?

Back 29

skeletal

Front 30

smooth muscle is

Back 30

involuntary

Front 31

This breaks down acetylcholine

Back 31

acetylcholinesterase

Front 32

Type of neuron that activates smooth muscle

Back 32

autonomic motor neuron

Front 33

When a muscle contracts the bone that moves is the

Back 33

insertion

Front 34

When a muscle contracts the bone that stays still is called the

Back 34

origin

Front 35

Organelle inside of a muscle cell

Back 35

myofibril

Front 36

Thick filaments contain what protein(s)

Back 36

myosin

Front 37

Another name for a muscle cell

Back 37

muscle fiber

Front 38

neurons associated with voluntary muscle

Back 38

somatic motor neuron

Front 39

neuron associated with involuntary muscle and glands

Back 39

Autonomic motor neuron

Front 40

what could you do to increase the force of contraction

Back 40

increase the number of fibers stimulated

Front 41

What type of muscle fiber contracts quickly and has a moderate resistance to fatigue

Back 41

fast oxidative

Front 42

What type of muscle fiber contracts slow and is resistant to fatigue

Back 42

slow oxidative

Front 43

What type of muscle fiber is fast and is easily fatigued.

Back 43

fast glycoltic

Front 44

This causes muscle burn

Back 44

lactic acid

Front 45

Anaerobic respiration produces approx. how many ATP

Back 45

2

Front 46

Aerobic respiration produces approx. how many ATP

Back 46

30 "some"

Front 47

This happens at the neuromuscular junction

Back 47

There is a influx of Ca+ that triggers the release of the neurotransmitters by exocytosis

Front 48

control weight bearing muscles such as the hips and thighs

Back 48

large motor units

Front 49

controls muscles that deal with detailed movements

Back 49

small motor units

Front 50

What type of muscle has the least regenerative ability?

Back 50

Cardiac muscle

Front 51

prefixes that signal you are dealing with muscle

Back 51

sarco, myo, mys

Front 52

describe the voltage that occurs during depolarization phase of an action potential

Back 52

-70mV TO +30mV

Front 53

describe the voltage that occurs during repolarization phase of an action potential

Back 53

+30mV to -70mV

Front 54

The axon terminal & muscle cell are separated by what?

Back 54

synaptic cleft

Front 55

Be able to label the same pictures

Back 55

you did in lab :(